Undermount Domsjo Double Sink . Building a cabinet for undermounting an ikea domsjo sink. Norrsjön double bowl top mount sink 28 3/4x17 3/8 $ 304. Domsjo sink Ikea 299 Kitchen Components Pinterest Canada, Ikea from www.pinterest.com That’s quite a lot once you look at it person. Save $ 50.00 (10 %) kraus premier undermount stainless steel 32 in. Whereas you are at $1100 minimum for undermount.